diff --git a/radio/src/gui/128x64/menus.h b/radio/src/gui/128x64/menus.h
index 4f1428a6f..a8e47db57 100644
--- a/radio/src/gui/128x64/menus.h
+++ b/radio/src/gui/128x64/menus.h
@@ -52,7 +52,7 @@ enum MenuRadioIndexes
 {
   MENU_RADIO_SETUP,
   CASE_SDCARD(MENU_RADIO_SD_MANAGER)
-#if defined(LUA) || defined(PXX2)
+#if defined(LUA) || defined(PXX2) || defined(MULTIMODULE)
   MENU_RADIO_TOOLS,
 #endif
   MENU_RADIO_SPECIAL_FUNCTIONS,
diff --git a/radio/src/gui/480x272/radio_spectrum_analyser.cpp b/radio/src/gui/480x272/radio_spectrum_analyser.cpp
index 260fbc767..88f4529c8 100644
--- a/radio/src/gui/480x272/radio_spectrum_analyser.cpp
+++ b/radio/src/gui/480x272/radio_spectrum_analyser.cpp
@@ -22,20 +22,41 @@
 
 extern uint8_t g_moduleIdx;
 
-enum SpectrumFields {
+enum SpectrumFields
+{
   SPECTRUM_FREQUENCY,
   SPECTRUM_SPAN,
+  SPECTRUM_TRACK,
   SPECTRUM_FIELDS_MAX
 };
 
+coord_t getAverage(uint8_t number, uint8_t * value)
+{
+  uint16_t sum = 0;
+  for (uint8_t i = 0; i < number; i++) {
+    sum += value[i];
+  }
+  return sum / number;
+}
+
+#define SPECTRUM_ROW  (isModuleMultimodule(g_moduleIdx) ? READONLY_ROW : (uint8_t)0)
+constexpr uint8_t GREYBAR_HEIGHT = 12;
+
 bool menuRadioSpectrumAnalyser(event_t event)
 {
-  SUBMENU(STR_MENU_SPECTRUM_ANALYSER, ICON_RADIO_SPECTRUM_ANALYSER, 1, {1});
+  SUBMENU(STR_MENU_SPECTRUM_ANALYSER, ICON_RADIO_SPECTRUM_ANALYSER, SPECTRUM_FIELDS_MAX, {
+    SPECTRUM_ROW,  //Freq
+    SPECTRUM_ROW,  //Span
+    0              //Track
+  });
 
   if (menuEvent) {
-    lcdDrawCenteredText(LCD_H/2, STR_STOPPING);
+    lcdDrawCenteredText(LCD_H / 2, STR_STOPPING);
     lcdRefresh();
-    moduleState[g_moduleIdx].readModuleInformation(&reusableBuffer.moduleSetup.pxx2.moduleInformation, PXX2_HW_INFO_TX_ID, PXX2_HW_INFO_TX_ID);
+    if (isModulePXX2(g_moduleIdx))
+      moduleState[g_moduleIdx].readModuleInformation(&reusableBuffer.moduleSetup.pxx2.moduleInformation, PXX2_HW_INFO_TX_ID, PXX2_HW_INFO_TX_ID);
+    else if (isModuleMultimodule((g_moduleIdx)))
+      moduleState[g_moduleIdx].mode = MODULE_MODE_NORMAL;
     /* wait 1s to resume normal operation before leaving */
     watchdogSuspend(1000);
     RTOS_WAIT_MS(1000);
@@ -44,7 +65,7 @@ bool menuRadioSpectrumAnalyser(event_t event)
 
   if (moduleState[g_moduleIdx].mode != MODULE_MODE_SPECTRUM_ANALYSER) {
     if (TELEMETRY_STREAMING()) {
-      lcdDrawCenteredText(LCD_H/2, STR_TURN_OFF_RECEIVER);
+      POPUP_WARNING(STR_TURN_OFF_RECEIVER);
       if (event == EVT_KEY_FIRST(KEY_EXIT)) {
         killEvents(event);
         popMenu();
@@ -62,7 +83,10 @@ bool menuRadioSpectrumAnalyser(event_t event)
       reusableBuffer.spectrumAnalyser.freqMax = 930;
     }
     else {
-      reusableBuffer.spectrumAnalyser.spanDefault = 40;  // 40MHz
+      if (isModuleMultimodule(g_moduleIdx))
+        reusableBuffer.spectrumAnalyser.spanDefault = 80;  // 80MHz
+      else
+        reusableBuffer.spectrumAnalyser.spanDefault = 40;  // 40MHz
       reusableBuffer.spectrumAnalyser.spanMax = 80;
       reusableBuffer.spectrumAnalyser.freqDefault = 2440; // 2440MHz
       reusableBuffer.spectrumAnalyser.freqMin = 2400;
@@ -71,13 +95,14 @@ bool menuRadioSpectrumAnalyser(event_t event)
 
     reusableBuffer.spectrumAnalyser.span = reusableBuffer.spectrumAnalyser.spanDefault * 1000000;
     reusableBuffer.spectrumAnalyser.freq = reusableBuffer.spectrumAnalyser.freqDefault * 1000000;
+    reusableBuffer.spectrumAnalyser.track = reusableBuffer.spectrumAnalyser.freq;
     reusableBuffer.spectrumAnalyser.step = reusableBuffer.spectrumAnalyser.span / LCD_W;
     reusableBuffer.spectrumAnalyser.dirty = true;
     moduleState[g_moduleIdx].mode = MODULE_MODE_SPECTRUM_ANALYSER;
   }
 
-  for (uint8_t i=0; i<SPECTRUM_FIELDS_MAX; i++) {
-    LcdFlags attr = (menuHorizontalPosition == i ? (s_editMode>0 ? INVERS|BLINK : INVERS) : 0);
+  for (uint8_t i = 0; i < SPECTRUM_FIELDS_MAX; i++) {
+    LcdFlags attr = (menuVerticalPosition == i ? (s_editMode > 0 ? INVERS | BLINK : INVERS) : 0);
 
     switch (i) {
       case SPECTRUM_FREQUENCY: {
@@ -94,10 +119,10 @@ bool menuRadioSpectrumAnalyser(event_t event)
         break;
       }
 
-      case SPECTRUM_SPAN:
+      case SPECTRUM_SPAN: {
         uint8_t span = reusableBuffer.spectrumAnalyser.span / 1000000;
         lcdDrawText(MENUS_MARGIN_LEFT + 100, MENU_FOOTER_TOP, "S:", TEXT_INVERTED_COLOR);
-        lcdDrawNumber(lcdNextPos + 2, MENU_FOOTER_TOP, reusableBuffer.spectrumAnalyser.span/1000000, attr | TEXT_INVERTED_COLOR);
+        lcdDrawNumber(lcdNextPos + 2, MENU_FOOTER_TOP, reusableBuffer.spectrumAnalyser.span / 1000000, attr | TEXT_INVERTED_COLOR);
         lcdDrawText(lcdNextPos + 2, MENU_FOOTER_TOP, "MHz", TEXT_INVERTED_COLOR);
         if (attr) {
           reusableBuffer.spectrumAnalyser.span = checkIncDec(event, span, 1, reusableBuffer.spectrumAnalyser.spanMax, 0) * 1000000;
@@ -107,70 +132,72 @@ bool menuRadioSpectrumAnalyser(event_t event)
           }
         }
         break;
+      }
+
+      case SPECTRUM_TRACK: {
+        uint16_t track = reusableBuffer.spectrumAnalyser.track / 1000000;
+        lcdDrawText(lcdNextPos + 10, MENU_FOOTER_TOP, "T:", TEXT_INVERTED_COLOR);
+        lcdDrawNumber(lcdNextPos + 2, MENU_FOOTER_TOP, reusableBuffer.spectrumAnalyser.track / 1000000, attr | TEXT_INVERTED_COLOR);
+        lcdDrawText(lcdNextPos + 2, MENU_FOOTER_TOP, "MHz", TEXT_INVERTED_COLOR);
+        if (attr) {
+          reusableBuffer.spectrumAnalyser.track = uint32_t(
+            checkIncDec(event, track, (reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2) / 1000000,
+                        (reusableBuffer.spectrumAnalyser.freq + reusableBuffer.spectrumAnalyser.span / 2) / 1000000, 0)) * 1000000;
+          if (checkIncDec_Ret) {
+            reusableBuffer.spectrumAnalyser.dirty = true;
+          }
+        }
+        break;
+      }
     }
   }
-
+  // Draw fixed part (scale,..)
+  lcdDrawFilledRect(0, MENU_FOOTER_TOP - GREYBAR_HEIGHT, LCD_W, GREYBAR_HEIGHT, SOLID, CURVE_AXIS_COLOR);
   for (uint32_t frequency = ((reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2) / 10000000) * 10000000 + 10000000; ; frequency += 10000000) {
     int offset = frequency - (reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2);
     int x = offset / reusableBuffer.spectrumAnalyser.step;
     if (x >= LCD_W - 1)
       break;
     lcdDrawVerticalLine(x, MENU_HEADER_HEIGHT, LCD_H - MENU_HEADER_HEIGHT - MENU_FOOTER_HEIGHT, STASHED, CURVE_AXIS_COLOR);
+
+    if ((frequency / 1000000) % 2 == 0) {
+      lcdDrawNumber(x, MENU_FOOTER_TOP - GREYBAR_HEIGHT - 1, frequency / 1000000, TINSIZE | TEXT_COLOR | CENTERED);
+    }
   }
 
-  for (uint8_t power = 20; ; power += 20) {
+  for (uint8_t power = 20;; power += 20) {
     int y = MENU_FOOTER_TOP - 1 - limit<int>(0, power << 1, LCD_H - MENU_HEADER_HEIGHT - MENU_FOOTER_HEIGHT);
     if (y <= MENU_HEADER_HEIGHT)
       break;
     lcdDrawHorizontalLine(0, y, LCD_W, STASHED, CURVE_AXIS_COLOR);
   }
 
-  coord_t peak_y = LCD_H;
-  coord_t peak_x = 0;
+  // Draw Tracker
+  int offset = reusableBuffer.spectrumAnalyser.track - (reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2);
+  int x = offset / reusableBuffer.spectrumAnalyser.step;
+  lcdDrawVerticalLine(x, MENU_HEADER_HEIGHT, LCD_H - MENU_HEADER_HEIGHT - MENU_FOOTER_HEIGHT - GREYBAR_HEIGHT, SOLID, TEXT_COLOR);
 
-  coord_t prev_yv = (coord_t)-1;
-  for (coord_t xv=0; xv<LCD_W; xv++) {
-    coord_t yv = MENU_FOOTER_TOP - 1 - limit<int>(0, reusableBuffer.spectrumAnalyser.bars[xv] << 1, LCD_H - MENU_HEADER_HEIGHT - MENU_FOOTER_HEIGHT);
-    if (prev_yv != (coord_t)-1) {
-      if (yv < peak_y) {
-        peak_x = xv;
-        peak_y = yv;
-      }
-      if (prev_yv < yv) {
-        for (int y=prev_yv; y<=yv; y+=1) {
-          lcdDrawPoint(xv, y, TEXT_COLOR);
-        }
-      }
-      else {
-        for (int y=yv; y<=prev_yv; y+=1) {
-          lcdDrawPoint(xv, y, TEXT_COLOR);
-        }
+  // Draw spectrum data
+  constexpr uint8_t step = 4;
+
+  for (coord_t xv = 0; xv <= LCD_W - step; xv += 4) {
+    coord_t yv = MENU_FOOTER_TOP - 1 - limit<int>(0, getAverage(step, &reusableBuffer.spectrumAnalyser.bars[xv]) << 1, LCD_H - MENU_HEADER_HEIGHT - MENU_FOOTER_HEIGHT);
+    coord_t max_yv = MENU_FOOTER_TOP - 1 - limit<int>(0, getAverage(step, &reusableBuffer.spectrumAnalyser.max[xv]) << 1, LCD_H - MENU_HEADER_HEIGHT - MENU_FOOTER_HEIGHT);
+
+    // Signal bar
+    lcdDrawSolidFilledRect(xv, yv, step - 1, LCD_H - yv - MENU_FOOTER_HEIGHT - GREYBAR_HEIGHT, TEXT_INVERTED_BGCOLOR);
+    lcdDrawRect(xv, yv, step - 1, LCD_H - yv - MENU_FOOTER_HEIGHT - GREYBAR_HEIGHT);
+
+    // Signal max
+    lcdDrawLine(xv, max_yv, xv + step, max_yv);
+
+    // Decay max values
+    if (max_yv < yv) { // Those value are INVERTED (MENU_FOOTER_TOP - value)
+      for (uint8_t i = 0; i < step; i++) {
+        reusableBuffer.spectrumAnalyser.max[xv + i] -= 1;
       }
     }
-    prev_yv = yv;
   }
 
-  prev_yv = (coord_t)-1;
-  for (coord_t xv=0; xv<LCD_W; xv++) {
-    coord_t yv = MENU_FOOTER_TOP - 1 - limit<int>(0, reusableBuffer.spectrumAnalyser.max[xv] << 1, LCD_H - MENU_HEADER_HEIGHT - MENU_FOOTER_HEIGHT);
-    if (prev_yv != (coord_t)-1) {
-      if (prev_yv < yv) {
-        for (int y=prev_yv; y<=yv; y+=1) {
-          lcdDrawPoint(xv, y, TEXT_INVERTED_BGCOLOR);
-        }
-      }
-      else {
-        for (int y=yv; y<=prev_yv; y+=1) {
-          lcdDrawPoint(xv, y, TEXT_INVERTED_BGCOLOR);
-        }
-      }
-    }
-    prev_yv = yv;
-  }
-
-  coord_t y = max<coord_t>(MENU_HEADER_HEIGHT + 1, peak_y - FH);
-  lcdDrawNumber(limit<coord_t>(20, peak_x, LCD_W - 20), y, ((reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2) + peak_x * (reusableBuffer.spectrumAnalyser.span / LCD_W)) / 1000000, TINSIZE | CENTERED);
-  lcdDrawText(lcdNextPos, y, "M", TINSIZE);
-
   return true;
-}
+}
\ No newline at end of file
diff --git a/radio/src/gui/480x272/radio_tools.cpp b/radio/src/gui/480x272/radio_tools.cpp
index cf560fd71..a11ba0103 100644
--- a/radio/src/gui/480x272/radio_tools.cpp
+++ b/radio/src/gui/480x272/radio_tools.cpp
@@ -85,17 +85,21 @@ bool menuRadioTools(event_t event)
 
   uint8_t index = 0;
 
-#if defined(PXX2)
-  if (isPXX2ModuleOptionAvailable(reusableBuffer.radioTools.modules[INTERNAL_MODULE].information.modelID, MODULE_OPTION_SPECTRUM_ANALYSER))
+#if defined(INTERNAL_MODULE_PXX2)
+  if (isPXX2ModuleOptionAvailable(reusableBuffer.hardwareAndSettings.modules[INTERNAL_MODULE].information.modelID, MODULE_OPTION_SPECTRUM_ANALYSER))
     addRadioModuleTool(index++, STR_SPECTRUM_ANALYSER_INT, menuRadioSpectrumAnalyser, INTERNAL_MODULE);
 
-  if (isPXX2ModuleOptionAvailable(reusableBuffer.radioTools.modules[INTERNAL_MODULE].information.modelID, MODULE_OPTION_POWER_METER))
+  if (isPXX2ModuleOptionAvailable(reusableBuffer.hardwareAndSettings.modules[INTERNAL_MODULE].information.modelID, MODULE_OPTION_POWER_METER))
     addRadioModuleTool(index++, STR_POWER_METER_INT, menuRadioPowerMeter, INTERNAL_MODULE);
-
-  if (isPXX2ModuleOptionAvailable(reusableBuffer.radioTools.modules[EXTERNAL_MODULE].information.modelID, MODULE_OPTION_SPECTRUM_ANALYSER))
+#elif defined(INTERNAL_MODULE_MULTI)
+  addRadioModuleTool(index++, STR_SPECTRUM_ANALYSER_INT, menuRadioSpectrumAnalyser, INTERNAL_MODULE);
+#endif
+#if defined(PXX2)|| defined(MULTIMODULE)
+  if (isPXX2ModuleOptionAvailable(reusableBuffer.hardwareAndSettings.modules[EXTERNAL_MODULE].information.modelID, MODULE_OPTION_SPECTRUM_ANALYSER) || isModuleMultimodule(EXTERNAL_MODULE))
     addRadioModuleTool(index++, STR_SPECTRUM_ANALYSER_EXT, menuRadioSpectrumAnalyser, EXTERNAL_MODULE);
-
-  if (isPXX2ModuleOptionAvailable(reusableBuffer.radioTools.modules[EXTERNAL_MODULE].information.modelID, MODULE_OPTION_POWER_METER))
+#endif
+#if defined(PXX2)
+  if (isPXX2ModuleOptionAvailable(reusableBuffer.hardwareAndSettings.modules[EXTERNAL_MODULE].information.modelID, MODULE_OPTION_POWER_METER))
     addRadioModuleTool(index++, STR_POWER_METER_EXT, menuRadioPowerMeter, EXTERNAL_MODULE);
 #endif
 
diff --git a/radio/src/gui/common/stdlcd/CMakeLists.txt b/radio/src/gui/common/stdlcd/CMakeLists.txt
index 2da32d37a..0d3f726b3 100644
--- a/radio/src/gui/common/stdlcd/CMakeLists.txt
+++ b/radio/src/gui/common/stdlcd/CMakeLists.txt
@@ -18,7 +18,7 @@ set(GUI_SRC
   model_curve_edit.cpp
   )
 
-if(PXX2 OR LUA)
+if(PXX2 OR LUA OR MULTIMODULE)
   set(GUI_SRC ${GUI_SRC} ../common/stdlcd/radio_tools.cpp)
 endif()
 
@@ -36,8 +36,14 @@ endif()
 if(PXX2)
   set(GUI_SRC
     ${GUI_SRC}
-    ../common/stdlcd/radio_spectrum_analyser.cpp
     ../common/stdlcd/radio_power_meter.cpp
     )
 endif()
 
+if(PXX2 OR MULTIMODULE)
+  set(GUI_SRC
+    ${GUI_SRC}
+    ../common/stdlcd/radio_spectrum_analyser.cpp
+    )
+endif()
+
diff --git a/radio/src/gui/common/stdlcd/radio_spectrum_analyser.cpp b/radio/src/gui/common/stdlcd/radio_spectrum_analyser.cpp
index a122dd7ba..ab96c52d5 100644
--- a/radio/src/gui/common/stdlcd/radio_spectrum_analyser.cpp
+++ b/radio/src/gui/common/stdlcd/radio_spectrum_analyser.cpp
@@ -25,12 +25,19 @@ extern uint8_t g_moduleIdx;
 enum SpectrumFields {
   SPECTRUM_FREQUENCY,
   SPECTRUM_SPAN,
+  SPECTRUM_TRACK,
   SPECTRUM_FIELDS_MAX
 };
 
+#define SPECTRUM_ROW  (isModuleMultimodule(g_moduleIdx) ? READONLY_ROW : (uint8_t)0)
+
 void menuRadioSpectrumAnalyser(event_t event)
 {
-  SUBMENU(STR_MENU_SPECTRUM_ANALYSER, 1, {1});
+  SUBMENU(STR_MENU_SPECTRUM_ANALYSER, SPECTRUM_FIELDS_MAX, {
+    SPECTRUM_ROW,  //Freq
+    SPECTRUM_ROW,  //Span
+    0              //Tracker
+  });
 
   if (menuEvent) {
     lcdDrawCenteredText(LCD_H/2, STR_STOPPING);
@@ -62,7 +69,10 @@ void menuRadioSpectrumAnalyser(event_t event)
       reusableBuffer.spectrumAnalyser.freqMax = 930;
     }
     else {
-      reusableBuffer.spectrumAnalyser.spanDefault = 40;  // 40MHz
+      if (isModuleMultimodule(g_moduleIdx))
+        reusableBuffer.spectrumAnalyser.spanDefault = 80;  // 80MHz
+      else
+        reusableBuffer.spectrumAnalyser.spanDefault = 40;  // 40MHz
       reusableBuffer.spectrumAnalyser.spanMax = 80;
       reusableBuffer.spectrumAnalyser.freqDefault = 2440; // 2440MHz
       reusableBuffer.spectrumAnalyser.freqMin = 2400;
@@ -71,20 +81,22 @@ void menuRadioSpectrumAnalyser(event_t event)
 
     reusableBuffer.spectrumAnalyser.span = reusableBuffer.spectrumAnalyser.spanDefault * 1000000;
     reusableBuffer.spectrumAnalyser.freq = reusableBuffer.spectrumAnalyser.freqDefault * 1000000;
+    reusableBuffer.spectrumAnalyser.track = reusableBuffer.spectrumAnalyser.freq;
     reusableBuffer.spectrumAnalyser.step = reusableBuffer.spectrumAnalyser.span / LCD_W;
     reusableBuffer.spectrumAnalyser.dirty = true;
     moduleState[g_moduleIdx].mode = MODULE_MODE_SPECTRUM_ANALYSER;
   }
 
   for (uint8_t i=0; i<SPECTRUM_FIELDS_MAX; i++) {
-    LcdFlags attr = (menuHorizontalPosition == i ? (s_editMode>0 ? INVERS|BLINK : INVERS) : 0);
+    uint8_t sub = menuVerticalPosition;
+    LcdFlags attr = (sub==i ? (s_editMode>0 ? BLINK|INVERS : INVERS) : 0);
 
     switch (i) {
       case SPECTRUM_FREQUENCY: {
         uint16_t frequency = reusableBuffer.spectrumAnalyser.freq / 1000000;
-        lcdDrawText(1, 10, "F:", 0);
-        lcdDrawNumber(lcdLastRightPos + 2, 10, frequency, attr);
-        lcdDrawText(lcdLastRightPos + 2, 10, "MHz", 0);
+        lcdDrawText(1, 10, "F:", SMLSIZE);
+        lcdDrawNumber(lcdLastRightPos + 1, 10, frequency, attr|SMLSIZE);
+        lcdDrawText(lcdLastRightPos + 1, 10, "MHz", SMLSIZE);
         if (attr) {
           reusableBuffer.spectrumAnalyser.freq = uint32_t(checkIncDec(event, frequency, reusableBuffer.spectrumAnalyser.freqMin, reusableBuffer.spectrumAnalyser.freqMax, 0)) * 1000000;
           if (checkIncDec_Ret) {
@@ -94,11 +106,11 @@ void menuRadioSpectrumAnalyser(event_t event)
         break;
       }
 
-      case SPECTRUM_SPAN:
+      case SPECTRUM_SPAN: {
         uint8_t span = reusableBuffer.spectrumAnalyser.span / 1000000;
-        lcdDrawText(lcdLastRightPos + 5, 10, "S:", 0);
-        lcdDrawNumber(lcdLastRightPos + 2, 10, reusableBuffer.spectrumAnalyser.span/1000000, attr);
-        lcdDrawText(lcdLastRightPos + 2, 10, "MHz", 0);
+        lcdDrawText(lcdLastRightPos + 2, 10, "S:", SMLSIZE);
+        lcdDrawNumber(lcdLastRightPos + 1, 10, reusableBuffer.spectrumAnalyser.span / 1000000, attr | SMLSIZE);
+        lcdDrawText(lcdLastRightPos + 1, 10, "MHz", SMLSIZE);
         if (attr) {
           reusableBuffer.spectrumAnalyser.span = checkIncDec(event, span, 1, reusableBuffer.spectrumAnalyser.spanMax, 0) * 1000000;
           if (checkIncDec_Ret) {
@@ -107,21 +119,42 @@ void menuRadioSpectrumAnalyser(event_t event)
           }
         }
         break;
+      }
+
+      case SPECTRUM_TRACK: {
+        uint16_t track = reusableBuffer.spectrumAnalyser.track / 1000000;
+        lcdDrawText(lcdNextPos + 2, 10, "T:", SMLSIZE);
+        lcdDrawNumber(lcdNextPos + 1, 10, reusableBuffer.spectrumAnalyser.track / 1000000, attr | SMLSIZE);
+        lcdDrawText(lcdNextPos + 1, 10, "MHz", SMLSIZE);
+        if (attr) {
+          reusableBuffer.spectrumAnalyser.track = uint32_t(
+            checkIncDec(event, track, (reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2) / 1000000,
+                        (reusableBuffer.spectrumAnalyser.freq + reusableBuffer.spectrumAnalyser.span / 2) / 1000000, 0)) * 1000000;
+          if (checkIncDec_Ret) {
+            reusableBuffer.spectrumAnalyser.dirty = true;
+          }
+        }
+        break;
+      }
     }
   }
 
-  uint8_t peak_y = 1;
-  uint8_t peak_x = 0;
+  // Signal bar
   for (uint8_t i=0; i<LCD_W; i++) {
     uint8_t h = min<uint8_t >(reusableBuffer.spectrumAnalyser.bars[i] >> 1, LCD_H);
-    if (h > peak_y) {
-      peak_x = i;
-      peak_y = h;
-    }
     lcdDrawSolidVerticalLine(i, LCD_H - h, h);
   }
 
-  int8_t y = max<int8_t>(FH, LCD_H - peak_y - FH);
-  lcdDrawNumber(min<uint8_t>(100, peak_x), y, ((reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2) + peak_x * (reusableBuffer.spectrumAnalyser.span / LCD_W)) / 1000000, TINSIZE);
-  lcdDrawText(lcdLastRightPos, y, "M", TINSIZE);
-}
+  // Signal max
+  for (uint8_t i=0; i<LCD_W; i++) {
+    uint8_t h = min<uint8_t >(reusableBuffer.spectrumAnalyser.max[i] >> 1, LCD_H);
+    lcdDrawPoint(i, LCD_H - h);
+    if (reusableBuffer.spectrumAnalyser.max[i] > 1)
+      reusableBuffer.spectrumAnalyser.max[i] -= 1;
+  }
+
+  // Draw Tracker
+  int offset = reusableBuffer.spectrumAnalyser.track - (reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2);
+  int x = offset / reusableBuffer.spectrumAnalyser.step;
+  lcdDrawVerticalLine(x, 10+FH+1, LCD_H, SOLID);
+}
\ No newline at end of file
diff --git a/radio/src/gui/common/stdlcd/radio_tools.cpp b/radio/src/gui/common/stdlcd/radio_tools.cpp
index 1ac177c21..b2d13cba5 100644
--- a/radio/src/gui/common/stdlcd/radio_tools.cpp
+++ b/radio/src/gui/common/stdlcd/radio_tools.cpp
@@ -82,17 +82,21 @@ void menuRadioTools(event_t event)
 
   uint8_t index = 0;
 
-#if defined(PXX2)
-  if (isPXX2ModuleOptionAvailable(reusableBuffer.radioTools.modules[INTERNAL_MODULE].information.modelID, MODULE_OPTION_SPECTRUM_ANALYSER))
+#if defined(INTERNAL_MODULE_PXX2)
+  if (isPXX2ModuleOptionAvailable(reusableBuffer.hardwareAndSettings.modules[INTERNAL_MODULE].information.modelID, MODULE_OPTION_SPECTRUM_ANALYSER))
     addRadioModuleTool(index++, STR_SPECTRUM_ANALYSER_INT, menuRadioSpectrumAnalyser, INTERNAL_MODULE);
 
-  if (isPXX2ModuleOptionAvailable(reusableBuffer.radioTools.modules[INTERNAL_MODULE].information.modelID, MODULE_OPTION_POWER_METER))
+  if (isPXX2ModuleOptionAvailable(reusableBuffer.hardwareAndSettings.modules[INTERNAL_MODULE].information.modelID, MODULE_OPTION_POWER_METER))
     addRadioModuleTool(index++, STR_POWER_METER_INT, menuRadioPowerMeter, INTERNAL_MODULE);
-
-  if (isPXX2ModuleOptionAvailable(reusableBuffer.radioTools.modules[EXTERNAL_MODULE].information.modelID, MODULE_OPTION_SPECTRUM_ANALYSER))
+#elif defined(INTERNAL_MODULE_MULTI)
+  addRadioModuleTool(index++, STR_SPECTRUM_ANALYSER_INT, menuRadioSpectrumAnalyser, INTERNAL_MODULE);
+#endif
+#if defined(PXX2)|| defined(MULTIMODULE)
+  if (isPXX2ModuleOptionAvailable(reusableBuffer.hardwareAndSettings.modules[EXTERNAL_MODULE].information.modelID, MODULE_OPTION_SPECTRUM_ANALYSER) || isModuleMultimodule(EXTERNAL_MODULE))
     addRadioModuleTool(index++, STR_SPECTRUM_ANALYSER_EXT, menuRadioSpectrumAnalyser, EXTERNAL_MODULE);
-
-  if (isPXX2ModuleOptionAvailable(reusableBuffer.radioTools.modules[EXTERNAL_MODULE].information.modelID, MODULE_OPTION_POWER_METER))
+#endif
+#if defined(PXX2)
+  if (isPXX2ModuleOptionAvailable(reusableBuffer.hardwareAndSettings.modules[EXTERNAL_MODULE].information.modelID, MODULE_OPTION_POWER_METER))
     addRadioModuleTool(index++, STR_POWER_METER_EXT, menuRadioPowerMeter, EXTERNAL_MODULE);
 #endif
 
diff --git a/radio/src/gui/navigation/navigation_x9d.cpp b/radio/src/gui/navigation/navigation_x9d.cpp
index 911455211..a5d6fc332 100644
--- a/radio/src/gui/navigation/navigation_x9d.cpp
+++ b/radio/src/gui/navigation/navigation_x9d.cpp
@@ -373,7 +373,7 @@ void check(event_t event, uint8_t curr, const MenuHandlerFunc *menuTab, uint8_t
       break;
 
     case EVT_KEY_BREAK(KEY_ENTER):
-      if (s_editMode > 1) 
+      if (s_editMode > 1)
         break;
       if (menuHorizontalPosition < 0 && maxcol > 0 && READ_ONLY_UNLOCKED()) {
         l_posHorz = 0;
@@ -545,4 +545,3 @@ void check(event_t event, uint8_t curr, const MenuHandlerFunc *menuTab, uint8_t
   menuHorizontalPosition = l_posHorz;
 }
 
-
diff --git a/radio/src/opentx.h b/radio/src/opentx.h
index 7a7ec1974..34931dd44 100644
--- a/radio/src/opentx.h
+++ b/radio/src/opentx.h
@@ -1187,12 +1187,11 @@ union ReusableBuffer
 
   struct {
     uint8_t bars[LCD_W];
-#if defined(COLORLCD)
     uint8_t max[LCD_W];
-#endif
     uint32_t freq;
     uint32_t span;
     uint32_t step;
+    uint32_t track;
     uint8_t spanDefault;
     uint8_t spanMax;
     uint16_t freqDefault;
diff --git a/radio/src/pulses/multi.cpp b/radio/src/pulses/multi.cpp
index 9ceb57886..7c686546f 100644
--- a/radio/src/pulses/multi.cpp
+++ b/radio/src/pulses/multi.cpp
@@ -37,7 +37,7 @@ void sendChannels(uint8_t moduleIdx);
 
 static void sendMulti(uint8_t moduleIdx, uint8_t b)
 {
-#if defined(INTERNAL_MODULE_MULTI)
+#if defined(HARDWARE_INTERNAL_MODULE)
   if (moduleIdx == INTERNAL_MODULE) {
     intmodulePulsesData.multi.sendByte(b);
   }
@@ -171,6 +171,15 @@ void sendFrameProtocolHeader(uint8_t moduleIdx, bool failsafe)
   int8_t optionValue = g_model.moduleData[moduleIdx].multi.optionValue;
 
   uint8_t protoByte = 0;
+
+  if (moduleState[moduleIdx].mode == MODULE_MODE_SPECTRUM_ANALYSER) {
+    sendMulti(moduleIdx, (uint8_t) 0x54);  // Header byte
+    sendMulti(moduleIdx, (uint8_t) 54);    // Spectrum custom protocol
+    sendMulti(moduleIdx, (uint8_t) 0);
+    sendMulti(moduleIdx, (uint8_t) 0);
+    return;
+  }
+
   if (moduleState[moduleIdx].mode == MODULE_MODE_BIND)
     protoByte |= MULTI_SEND_BIND;
   else if (moduleState[moduleIdx].mode ==  MODULE_MODE_RANGECHECK)
diff --git a/radio/src/pulses/pulses.cpp b/radio/src/pulses/pulses.cpp
index e771d4e90..6d869e484 100755
--- a/radio/src/pulses/pulses.cpp
+++ b/radio/src/pulses/pulses.cpp
@@ -287,7 +287,7 @@ void setupPulsesExternalModule(uint8_t protocol)
 }
 
 #if defined(HARDWARE_INTERNAL_MODULE)
-void enablePulsesInternalModule(uint8_t protocol)
+static void enablePulsesInternalModule(uint8_t protocol)
 {
   // start new protocol hardware here
 
diff --git a/radio/src/pulses/pulses.h b/radio/src/pulses/pulses.h
index 9fa17a196..8dc12ee68 100644
--- a/radio/src/pulses/pulses.h
+++ b/radio/src/pulses/pulses.h
@@ -41,6 +41,12 @@
   #define IS_DSM2_PROTOCOL(protocol)         (0)
 #endif
 
+#if defined(DSM2_SERIAL)
+  #define IS_DSM2_SERIAL_PROTOCOL(protocol)  (IS_DSM2_PROTOCOL(protocol))
+#else
+  #define IS_DSM2_SERIAL_PROTOCOL(protocol)  (0)
+#endif
+
 #if defined(MULTIMODULE)
   #define IS_MULTIMODULE_PROTOCOL(protocol)  (protocol==PROTOCOL_CHANNELS_MULTIMODULE)
   #if !defined(DSM2)
@@ -147,7 +153,8 @@ PACK(struct ModuleState {
   uint8_t paused:1;
   uint8_t spare:7;
   uint16_t counter;
-  union {
+  union
+  {
     ModuleInformation * moduleInformation;
     ModuleSettings * moduleSettings;
     ReceiverSettings * receiverSettings;
@@ -165,12 +172,14 @@ PACK(struct ModuleState {
     moduleInformation->maximum = last;
     mode = MODULE_MODE_GET_HARDWARE_INFO;
   }
+
   void readModuleSettings(ModuleSettings * destination)
   {
     moduleSettings = destination;
     moduleSettings->state = PXX2_SETTINGS_READ;
     mode = MODULE_MODE_MODULE_SETTINGS;
   }
+
   void writeModuleSettings(ModuleSettings * source)
   {
     moduleSettings = source;
@@ -178,12 +187,14 @@ PACK(struct ModuleState {
     moduleSettings->timeout = 0;
     mode = MODULE_MODE_MODULE_SETTINGS;
   }
+
   void readReceiverSettings(ReceiverSettings * destination)
   {
     receiverSettings = destination;
     receiverSettings->state = PXX2_SETTINGS_READ;
     mode = MODULE_MODE_RECEIVER_SETTINGS;
   }
+
   void writeReceiverSettings(ReceiverSettings * source)
   {
     receiverSettings = source;
@@ -238,21 +249,21 @@ PACK(struct CrossfirePulsesData {
 
 union InternalModulePulsesData {
 #if defined(PXX1)
-  #if defined(INTMODULE_USART)
-    UartPxx1Pulses pxx_uart;
-  #else
-    PwmPxx1Pulses pxx;
-  #endif
+#if defined(INTMODULE_USART)
+  UartPxx1Pulses pxx_uart;
+#else
+  PwmPxx1Pulses pxx;
+#endif
 #endif
 
 #if defined(PXX2)
   Pxx2Pulses pxx2;
 #endif
 
-#if defined(INTERNAL_MODULE_MULTI) //&& defined(INTMODULE_USART)
-  UartMultiPulses multi;  
+#if defined(MULTIMODULE) //&& defined(INTMODULE_USART)
+  UartMultiPulses multi;
 #endif
-  
+
 #if defined(INTERNAL_MODULE_PPM)
   PpmPulsesData<pulse_duration_t> ppm;
 #endif
@@ -260,14 +271,14 @@ union InternalModulePulsesData {
 
 union ExternalModulePulsesData {
 #if defined(PXX1)
-  #if defined(HARDWARE_EXTERNAL_MODULE_SIZE_SML)
-    UartPxx1Pulses pxx_uart;
-  #endif
-  #if defined(PPM_PIN_SERIAL)
-    SerialPxx1Pulses pxx;
-  #else
-    PwmPxx1Pulses pxx;
-  #endif
+#if defined(HARDWARE_EXTERNAL_MODULE_SIZE_SML)
+  UartPxx1Pulses pxx_uart;
+#endif
+#if defined(PPM_PIN_SERIAL)
+  SerialPxx1Pulses pxx;
+#else
+  PwmPxx1Pulses pxx;
+#endif
 #endif
 
 #if defined(PXX2)
@@ -417,4 +428,4 @@ inline bool isModuleInBeepMode()
   return false;
 }
 
-#endif // _PULSES_H_
+#endif // _PULSES_H_
\ No newline at end of file
diff --git a/radio/src/targets/horus/CMakeLists.txt b/radio/src/targets/horus/CMakeLists.txt
index 14015b25e..bc16f5961 100644
--- a/radio/src/targets/horus/CMakeLists.txt
+++ b/radio/src/targets/horus/CMakeLists.txt
@@ -2,6 +2,7 @@ option(DISK_CACHE "Enable SD card disk cache" ON)
 option(UNEXPECTED_SHUTDOWN "Enable the Unexpected Shutdown screen" ON)
 option(PXX1 "PXX1 protocol support" ON)
 option(PXX2 "PXX2 protocol support" OFF)
+option(MULTIMODULE "DIY Multiprotocol TX Module (https://github.com/pascallanger/DIY-Multiprotocol-TX-Module)" ON)
 
 set(PWR_BUTTON "PRESS" CACHE STRING "Pwr button type (PRESS/SWITCH)")
 set(CPU_TYPE STM32F4)
@@ -146,16 +147,16 @@ set(GUI_SRC
   rle.cpp
   )
 
-if(PXX2 OR LUA)
+if(PXX2 OR LUA OR MULTIMODULE)
   set(GUI_SRC ${GUI_SRC} radio_tools.cpp)
 endif()
 
+if(PXX2 OR MULTIMODULE)
+  set(GUI_SRC ${GUI_SRC} radio_spectrum_analyser.cpp)
+endif()
+
 if(PXX2)
-  set(GUI_SRC
-    ${GUI_SRC}
-    radio_spectrum_analyser.cpp
-    radio_power_meter.cpp
-    )
+  set(GUI_SRC ${GUI_SRC} radio_power_meter.cpp)
 endif()
 
 if(DISK_CACHE)
diff --git a/radio/src/targets/horus/board.cpp b/radio/src/targets/horus/board.cpp
index 40900a099..0ec6e9746 100644
--- a/radio/src/targets/horus/board.cpp
+++ b/radio/src/targets/horus/board.cpp
@@ -49,7 +49,7 @@ void watchdogInit(unsigned int duration)
 extern "C" void initialise_monitor_handles();
 #endif
 
-#if defined(PCBX10)
+#if defined(PCBX10) && !defined(RADIO_T16)
 void sportUpdateInit()
 {
   GPIO_InitTypeDef GPIO_InitStructure;
@@ -171,7 +171,7 @@ void boardInit()
   DBGMCU_APB1PeriphConfig(DBGMCU_IWDG_STOP|DBGMCU_TIM1_STOP|DBGMCU_TIM2_STOP|DBGMCU_TIM3_STOP|DBGMCU_TIM4_STOP|DBGMCU_TIM5_STOP|DBGMCU_TIM6_STOP|DBGMCU_TIM7_STOP|DBGMCU_TIM8_STOP|DBGMCU_TIM9_STOP|DBGMCU_TIM10_STOP|DBGMCU_TIM11_STOP|DBGMCU_TIM12_STOP|DBGMCU_TIM13_STOP|DBGMCU_TIM14_STOP, ENABLE);
 #endif
 
-#if defined(PCBX10)
+#if defined(PCBX10) && !defined(RADIO_T16)
   ledInit();
   sportUpdateInit();
 #endif
diff --git a/radio/src/targets/horus/board.h b/radio/src/targets/horus/board.h
index 3d891cb8a..c9d72c8ab 100644
--- a/radio/src/targets/horus/board.h
+++ b/radio/src/targets/horus/board.h
@@ -569,7 +569,7 @@ void telemetryClearFifo();
 extern uint32_t telemetryErrors;
 
 // Sport update driver
-#if defined(PCBX10)
+#if defined(PCBX10) && !defined(RADIO_T16)
 void sportUpdatePowerOn();
 void sportUpdatePowerOff();
 #define SPORT_UPDATE_POWER_ON()        sportUpdatePowerOn()
diff --git a/radio/src/telemetry/multi.cpp b/radio/src/telemetry/multi.cpp
index 8225975e4..e7ff0487e 100644
--- a/radio/src/telemetry/multi.cpp
+++ b/radio/src/telemetry/multi.cpp
@@ -21,10 +21,12 @@
 #include "telemetry.h"
 #include "multi.h"
 
+extern uint8_t g_moduleIdx;
+
 enum MultiPacketTypes : uint8_t
 {
   MultiStatus = 1,
-  FrSkySportTelemtry,
+  FrSkySmoduleIdxTelemtry,
   FrSkyHubTelemetry,
   SpektrumTelemetry,
   DSMBindPacket,
@@ -138,7 +140,14 @@ void setMultiTelemetryBufferState(uint8_t, MultiBufferState state)
 
 static MultiBufferState guessProtocol(uint8_t module)
 {
-  if (g_model.moduleData[module].getMultiProtocol(false) == MODULE_SUBTYPE_MULTI_DSM2)
+  uint32_t moduleIdx = EXTERNAL_MODULE;
+#if defined(INTERNAL_MODULE_MULTI)
+  if (isModuleMultimodule(INTERNAL_MODULE)) {
+    moduleIdx = INTERNAL_MODULE;
+  }
+#endif
+
+  if (g_model.moduleData[moduleIdx].getMultiProtocol(false) == MODULE_SUBTYPE_MULTI_DSM2)
     return SpektrumTelemetryFallback;
   else if (g_model.moduleData[module].getMultiProtocol(false) == MODULE_SUBTYPE_MULTI_FS_AFHDS2A)
     return FlyskyTelemetryFallback;
@@ -146,6 +155,44 @@ static MultiBufferState guessProtocol(uint8_t module)
     return FrskyTelemetryFallback;
 }
 
+static void processMultiScannerPacket(const uint8_t *data)
+{
+  uint8_t cur_channel = data[0];
+  if (moduleState[g_moduleIdx].mode == MODULE_MODE_SPECTRUM_ANALYSER) {
+    for (uint8_t channel = 0; channel <5; channel++) {
+      uint8_t power = max<int>(0,(data[channel+1] - 34) >> 1); // remove everything below -120dB
+
+#if LCD_W == 480
+      coord_t x = cur_channel*2;
+      if (x < LCD_W) {
+        reusableBuffer.spectrumAnalyser.bars[x] = power;
+        reusableBuffer.spectrumAnalyser.bars[x+1] = power;
+        if (power > reusableBuffer.spectrumAnalyser.max[x]) {
+          reusableBuffer.spectrumAnalyser.max[x] = power;
+          reusableBuffer.spectrumAnalyser.max[x+1] = power;
+        }
+#elif LCD_W == 212
+        coord_t x = cur_channel;
+      if (x <= LCD_W) {
+        reusableBuffer.spectrumAnalyser.bars[x] = power;
+        if (power > reusableBuffer.spectrumAnalyser.max[x]) {
+          reusableBuffer.spectrumAnalyser.max[x] = power;
+        }
+#else
+      coord_t x = cur_channel/2 + 1;
+      if (x <= LCD_W) {
+        reusableBuffer.spectrumAnalyser.bars[x] = power;
+        if (power > reusableBuffer.spectrumAnalyser.max[x]) {
+          reusableBuffer.spectrumAnalyser.max[x] = power;
+        }
+#endif
+      }
+      if (++cur_channel > MULTI_SCANNER_MAX_CHANNEL)
+        cur_channel = 0;
+    }
+  }
+}
+
 static void processMultiStatusPacket(const uint8_t * data, uint8_t module)
 {
   MultiModuleStatus &status = getMultiModuleStatus(module);
@@ -248,11 +295,11 @@ static void processMultiTelemetryPaket(const uint8_t * packet, uint8_t module)
         TRACE("[MP] Received Frsky HUB telemetry len %d < 4", len);
       break;
 
-    case FrSkySportTelemtry:
+    case FrSkySmoduleIdxTelemtry:
       if (len >= 4)
         sportProcessTelemetryPacket(data);
       else
-        TRACE("[MP] Received sport telemetry len %d < 4", len);
+        TRACE("[MP] Received smoduleIdx telemetry len %d < 4", len);
       break;
 
     case InputSync:
@@ -269,11 +316,17 @@ static void processMultiTelemetryPaket(const uint8_t * packet, uint8_t module)
 #if defined(LUA)
     case FrskySportPolling:
       if (len >= 1 && outputTelemetryBuffer.destination == TELEMETRY_ENDPOINT_SPORT && data[0] == outputTelemetryBuffer.sport.physicalId) {
-        TRACE("MP Sending sport data out.");
+        TRACE("MP Sending smoduleIdx data out.");
         sportSendBuffer(outputTelemetryBuffer.data, outputTelemetryBuffer.size);
       }
       break;
 #endif
+    case SpectrumScannerPacket:
+      if (len == 6)
+        processMultiScannerPacket(data);
+      else
+        TRACE("[MP] Received spectrum scanner len %d != 6", len);
+      break;
 
     default:
       TRACE("[MP] Unkown multi packet type 0x%02X, len %d", type, len);
@@ -319,7 +372,7 @@ void MultiModuleSyncStatus::calcAdjustedRefreshRate(uint16_t newRefreshRate, uin
     return;
   }
 
-  // Caluclate how many samples went into the reported input Lag (*10)
+  // Caluclate how many samples went into the remoduleIdxed input Lag (*10)
   int numsamples = interval * 10000 / targetRefreshRate;
 
   // Convert lagDifference to ps
diff --git a/radio/src/telemetry/multi.h b/radio/src/telemetry/multi.h
index 1bfd1ded6..83f3de6fb 100644
--- a/radio/src/telemetry/multi.h
+++ b/radio/src/telemetry/multi.h
@@ -80,10 +80,17 @@ Type 0x06 Flysky AFHDS2 telemetry data
    data[0] = RSSI value
    data[1-28] telemetry data
 
+Type 0x0B Spectrum Scanner telemetry data
+   length: 6
+   data[0] = start channel (2400 + x*0.333 Mhz)
+   data[1-5] power levels
+
 */
 
 void processMultiTelemetryData(uint8_t data, uint8_t module);
 
+#define MULTI_SCANNER_MAX_CHANNEL 249
+
 // This should be put into the Module definition if other modules gain this functionality
 struct MultiModuleSyncStatus {
   uint32_t adjustedRefreshRate;    // in ps